%{
int chars = 0;
int words = 0;
int lines = 0;
%}
%%
[a-zA-Z]+ {words++; chars += strlen(yytext); }
\n {chars++; lines++;}
. {chars++;}
%%

int main()
{
    while(1)
    {
        yylex();
        printf("%8d%8d%8d\n", lines, words, chars);
    }
    
}